Md Arif Hossain Starfishes are among the best known echinoderms. Most starfish have a central disk with five arms, or rays spreading out like spoke on a wheel. Some types, however, have as many as twenty arms. The undersides of these arms are covered with hollow tubes called “tube feet”. These t[...]
Archive for the ‘Nature Study’ Category
October 1st, 2009 - 6:35 am § in Nature Study
A Wake-Up Call?
Whether you know it or not, global warming affects our lives everyday. The sudden drizzling from time to time or the incredible rate at which our Igloos melt are all consequences of this earthly phenomenon. Bangladesh – irrespective of how tiny it may look in the atlas – has its fair share in t[...]
September 6th, 2009 - 9:55 am § in Nature Study
Panda: In the line of Extinction
Have you ever seen a Panda? If you had, then you surely are a lucky one because it is almost impossible to find and see Panda in south Asia, it is only found in China. Although some countries tried to keep them in their zoo, but most of them failed. According to a report, there [...][...]